CMS Error

Module 'de' isn't registered in the application container

#0 [internal function]: Phalcon\Application->getModule('de')
#1 /var/www/vhosts/zillertalerzeitung.at/web2/app/bootstrap/mvc.php(525): Phalcon\Mvc\Application->handle()
#2 /var/www/vhosts/zillertalerzeitung.at/web2/www/index.php(23): require_once('/var/www/vhosts...')
#3 {main}